FI802657A7 - FOREBAETTRAD ELECTRON GUN - Google Patents

FOREBAETTRAD ELECTRON GUN

Info

Publication number: FI802657A7
Authority: FI; Finland
Prior art keywords: forebaettrad; electron gun; gun; electron; forebaettrad electron
Prior art date: 1979-08-29

Application number

FI802657A

Other languages

Finnish (fi)

Other versions

FI68736C (en

FI68736B (en

Inventor

Harry Edwin Mccandless

Original Assignee

Rca Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1979-08-29

Filing date

1980-08-22

Publication date

1981-03-01

1980-08-22 Application filed by Rca Corp filed Critical Rca Corp

1981-03-01 Publication of FI802657A7 publication Critical patent/FI802657A7/en

1985-06-28 Application granted granted Critical

1985-06-28 Publication of FI68736B publication Critical patent/FI68736B/en

1985-10-10 Publication of FI68736C publication Critical patent/FI68736C/en

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
- H01J29/503—Three or more guns, the axes of which lay in a common plane

FI802657A 1979-08-29 1980-08-22 FOERBAETTRAD ELEKTRONKANON FI68736C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/070,738 US4298818A (en)	1979-08-29	1979-08-29	Electron gun
US7073879		1979-08-29

Publications (3)

Publication Number	Publication Date
FI802657A7 true FI802657A7 (en)	1981-03-01
FI68736B FI68736B (en)	1985-06-28
FI68736C FI68736C (en)	1985-10-10

Family

ID=22097083

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI802657A FI68736C (en)	1979-08-29	1980-08-22	FOERBAETTRAD ELEKTRONKANON

Country Status (13)

Country	Link
US (1)	US4298818A (en)
JP (1)	JPS5636853A (en)
BR (1)	BR8005381A (en)
CA (1)	CA1142569A (en)
DD (1)	DD153024A5 (en)
DE (1)	DE3032623C2 (en)
FI (1)	FI68736C (en)
FR (1)	FR2464556A1 (en)
GB (1)	GB2057755B (en)
IT (1)	IT1132383B (en)
PL (1)	PL129066B1 (en)
RU (1)	RU1830153C (en)
SG (1)	SG18187G (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4409514A (en) *	1981-04-29	1983-10-11	Rca Corporation	Electron gun with improved beam forming region
US4414485A (en) *	1981-06-23	1983-11-08	Rca Corporation	Control-screen electrode subassembly for an electron gun and method for constructing the same
US4500808A (en) *	1982-04-02	1985-02-19	Rca Corporation	Multibeam electron gun with composite electrode having plurality of separate metal plates
US4486685A (en) *	1982-05-14	1984-12-04	Rca Corporation	Electron gun assembly with bead strap having an angulated grasping member
DE3407434A1 (en) *	1984-02-29	1985-08-29	Siemens AG, 1000 Berlin und 8000 München	RADIATOR GENERATOR SYSTEM FOR ELECTRONIC TUBES, IN PARTICULAR WALKER TUBES
US4558254A (en) *	1984-04-30	1985-12-10	Rca Corporation	Cathode-ray tube having an improved low power cathode assembly
US4605880A (en) *	1984-08-22	1986-08-12	Rca Corporation	Multibeam electron gun having a cathode-grid subassembly and method of assembling same
US4607187A (en) *	1984-08-22	1986-08-19	Rca Corporation	Structure for and method of aligning beam-defining apertures by means of alignment apertures
US4595858A (en) *	1984-12-03	1986-06-17	Rca Corporation	Reinforcing means for a cup-shaped electron gun electrode
US4633130A (en) *	1985-05-17	1986-12-30	Rca Corporation	Multibeam electron gun having a transition member and method for assembling the electron gun
US4649317A (en) *	1985-08-27	1987-03-10	Rca Corporation	Multibeam electron gun having means for supporting a screen grid electrode relative to a main focusing lens
US4629934A (en) *	1985-08-27	1986-12-16	Rca Corporation	Multibeam electron gun having means for positioning a screen grid electrode
US4631443A (en) *	1985-08-27	1986-12-23	Rca Corporation	Multibeam electron gun having a formed transition member
JPH06103622B2 (en) *	1986-08-21	1994-12-14	ソニー株式会社	Electron gun assembly method
US4720654A (en) *	1986-11-26	1988-01-19	Rca Corporation	Modular electron gun for a cathode-ray tube and method of making same
DE69313399T2 (en) *	1992-11-02	1998-02-26	Philips Electronics Nv	Vacuum tube with ceramic part
KR100297903B1 (en) *	1993-06-21	2001-10-24	이데이 노부유끼	An electron gun of a cathode ray tube and a manufacturing method thereof
JP2003178690A (en) *	2001-12-10	2003-06-27	Matsushita Electric Ind Co Ltd	Field emission device
JP2003208856A (en) *	2002-01-15	2003-07-25	Matsushita Electric Ind Co Ltd	Picture tube device
JP2007066694A (en)	2005-08-31	2007-03-15	Hamamatsu Photonics Kk	X-ray tube

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
USRE25127E (en)		1962-02-20		Cathode-ray tube
USB388112I5 (en) *	1935-03-30
US2202588A (en) *	1937-06-23	1940-05-28	Siemens Ag	Electrode system for cathode ray tubes
US2375815A (en) *	1940-01-22	1945-05-15	Ohl Klemens	Cathode ray tube
GB564546A (en) *	1942-11-02	1944-10-03	Gerhard Liebmann	Improvements in or relating to cathode ray tubes
US2540621A (en) *	1948-02-19	1951-02-06	Rca Corp	Electron gun structure
US2735032A (en) *	1952-10-09	1956-02-14		bradley
GB753507A (en) *	1953-09-25	1956-07-25	Gen Electric Co Ltd	Improvements in or relating to electron gun assemblies for electric discharge devices
US2825832A (en) *	1953-12-03	1958-03-04	Bell Telephone Labor Inc	Thermionic cathode structure
US2975315A (en) *	1957-03-13	1961-03-14	Rauland Corp	Cathode-ray tube
BE572426A (en) *	1957-10-30
NL134600C (en) *	1960-11-14
US3164426A (en) *	1960-12-21	1965-01-05	Rca Corp	Electron gun
US3345527A (en) *	1965-06-24	1967-10-03	Westinghouse Electric Corp	Cathode-grid assembly with shielding means to prevent deposition of conductive material on insulating support
US3383537A (en) *	1965-10-07	1968-05-14	Rank Organisation Ltd	Metal/ceramic cathode ray tube
US3928785A (en) *	1971-11-23	1975-12-23	Adrian W Standaart	Single gun, multi-screen, multi-beam, multi-color cathode ray tube
US3946266A (en) *	1973-06-11	1976-03-23	Sony Corporation	Electrostatic and dynamic magnetic control of cathode ray for distortion compensation
US3932786A (en) *	1974-11-29	1976-01-13	Rca Corporation	Electron gun with a multi-element electron lens
DE2642582A1 (en) *	1976-09-22	1978-03-23	Licentia Gmbh	Cup-shaped control electrode in CRT - has cathode mounted in insulating ring held by metal sleeve in control electrode cavity
US4259610A (en) *	1977-09-12	1981-03-31	Tokyo Shibaura Denki Kabushiki Kaisha	Electron gun assembly for cathode ray tubes and method of assembling the same

1979
- 1979-08-29 US US06/070,738 patent/US4298818A/en not_active Expired - Lifetime
1980
- 1980-08-06 CA CA000357661A patent/CA1142569A/en not_active Expired
- 1980-08-08 IT IT24100/80A patent/IT1132383B/en active
- 1980-08-21 GB GB8027186A patent/GB2057755B/en not_active Expired
- 1980-08-22 FI FI802657A patent/FI68736C/en not_active IP Right Cessation
- 1980-08-22 FR FR8018338A patent/FR2464556A1/en active Granted
- 1980-08-25 JP JP11689280A patent/JPS5636853A/en active Granted
- 1980-08-26 BR BR8005381A patent/BR8005381A/en not_active IP Right Cessation
- 1980-08-26 DD DD80223513A patent/DD153024A5/en not_active IP Right Cessation
- 1980-08-28 RU SU802969191A patent/RU1830153C/en active
- 1980-08-29 PL PL1980226477A patent/PL129066B1/en unknown
- 1980-08-29 DE DE3032623A patent/DE3032623C2/en not_active Expired
1987
- 1987-02-21 SG SG181/87A patent/SG18187G/en unknown

Also Published As

Publication number	Publication date
DE3032623A1 (en)	1981-03-12
JPH0115982B2 (en)	1989-03-22
JPS5636853A (en)	1981-04-10
GB2057755B (en)	1984-05-10
PL226477A1 (en)	1981-07-10
DE3032623C2 (en)	1983-11-03
IT1132383B (en)	1986-07-02
FI68736C (en)	1985-10-10
US4298818A (en)	1981-11-03
BR8005381A (en)	1981-03-10
FR2464556B1 (en)	1985-04-12
RU1830153C (en)	1993-07-23
PL129066B1 (en)	1984-03-31
CA1142569A (en)	1983-03-08
FI68736B (en)	1985-06-28
SG18187G (en)	1987-07-24
IT8024100A0 (en)	1980-08-08
DD153024A5 (en)	1981-12-16
GB2057755A (en)	1981-04-01
FR2464556A1 (en)	1981-03-06

Publication	Publication Date	Title
JPS5546397A (en)	1980-04-01	Electron gun
BR8005748A (en)	1984-07-03	RIFLE
FI802657A7 (en)	1981-03-01	FOREBAETTRAD ELECTRON GUN
BE881301A (en)	1980-07-23	NICKEL-MOLYBDENE CATHODE
SE7800502L (en)	1978-07-18	ELECTRON CANNON FOR CATODO RADIATOR
BE876396R (en)	1979-11-21	PERFECTED GUN
JPS536564A (en)	1978-01-21	Electron gun
JPS5416974A (en)	1979-02-07	Electron gun
JPS5333046A (en)	1978-03-28	Electron gun
FI803830L (en)	1981-06-19	LYFTANORDNING FOER AMMUNITION
GB2031222B (en)	1982-10-06	Electron guns
GB2049270B (en)	1983-02-16	Electron gun
BE875443A (en)	1979-07-31	ELECTRON GUN
GB2027268B (en)	1982-09-22	Electron guns
JPS5636851A (en)	1981-04-10	Electron gun
DE2953909A1 (en)	1982-02-04	KLYSTRON
FR2340159A1 (en)	1977-09-02	DEMASSELOTAGE GUN
FI802370A7 (en)	1981-01-31	METALLIC JAERNPARTIKLAR FOER MAGNETISK INSPELNING
BE885147A (en)	1981-03-09	PROJECTILE EMPENNE
FI781869A7 (en)	1978-12-16	ELECTRON CANNON FOER CATHODSTRAOLEROER
JPS5636852A (en)	1981-04-10	Electron gun
ES259837Y (en)	1982-10-16	WELDING GUN
JPS5387661A (en)	1978-08-02	Electron gun
GB1544322A (en)	1979-04-19	Electron gun
IT1130164B (en)	1986-06-11	TURBO-PUMP

Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: RCA CORPORATION